The double-hop problem describes a scenario in PowerShell where remoting is used to connect to a host and the remote host tries to connect to another resource. In this scenario, the second connection, the second hop, fails because authentication cannot be implicitly passed.
There have been numerous articles discussing this problem over the years. Ashley McGlone published a blog post in 2016 that describes the problem and each of the possible solutions:
This section briefly explores using CredSSP, as well as how to pass explicit credentials to a remote system. Neither of these options is considered secure, ...